[Eeglablist] A theoretical problem regarding Common Spatial Patterns

[Seyed Mohammad Reza Shahshahni]

Hi.
So there is no other meaning for it? Just something that provides us with a
mathematical framework for simultaneouse diagonalization of the covariance
matrices of two different classes.
Best,
Reza

On Wed, May 11, 2016 at 12:10 AM, Ignatius S. Condro Atmawan B. <
saptocondro at googlemail.com> wrote:

> Hallo Reza,
>
> The composite matrix helps normalize and orthogonalize both covariance
> matrices.
>
> Best,
>
> Condro
> On 9 May 2016 22:59, "Seyed Mohammad Reza Shahshahni" <
> smr.shahshahani at gmail.com> wrote:
>
>> Dear all members
>>
>> I have a non-EEGLAB issue, a theoretical one.
>>
>> Since the very first paper regarding CSP, everybody has mentioned almost
>> the same theoretical description of the computation process of CSP's. But I
>> have a question I have not been able to get answers in none of those papers.
>>
>> In the process it said that we should make a composite covariance matrix
>> out of the two covariance matrices related to two different classes.
>>
>> Is this done just because of what comes next, or is there any other
>> description for it? I mean are there any explanations for what a composite
>> covariance matrix shows?
>>
>> Thanks.
>> Reza M. Shahshahani
>>
>>
>>
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